Exploració per autor "Miró Jané, Arnau"
Ara es mostren els items 1-18 de 18
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A data-driven wall-shear stress model for LES using gradient boosted decision trees
Radhakrishnan, Sarath; Adu Gyamfi, Lawrence; Miró Jané, Arnau; Font García, Bernat; Calafell Sandiumenge, Joan; Lehmkuhl Barba, Oriol (Springer Nature, 2021)
Text en actes de congrés
Accés obertWith the recent advances in machine learning, data-driven strategies could augment wall modeling in large eddy simulation (LES). In this work, a wall model based on gradient boosted decision trees is presented. The model ... -
Active flow control for three-dimensional cylinders through deep reinforcement learning
Suárez Morales, Pol; Alcántara Ávila, Francisco; Miró Jané, Arnau; Rabault, Jean; Font García, Bernat; Lehmkuhl Barba, Oriol; Vinuesa Moltiva, Ricardo (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertThis paper presents for the first time successful results of active flow control with multiple independently controlled zero-net-mass-flux synthetic jets. The jets are placed on a three-dimensional cylinder along its span ... -
Deep reinforcement learning for flow control exploits different physics for increasing Reynolds number regimes
Varela Martínez, Pau; Suárez Morales, Pol; Alcántara Ávila, Francisco; Miró Jané, Arnau; Rabault, Jean; Font García, Bernat; García Cuevas, Luis Miguel; Lehmkuhl Barba, Oriol; Vinuesa Moltiva, Ricardo (Multidisciplinary Digital Publishing Institute (MDPI), 2022-12-02)
Article
Accés obertThe increase in emissions associated with aviation requires deeper research into novel sensing and flow-control strategies to obtain improved aerodynamic performances. In this context, data-driven methods are suitable for ... -
DNS and POD analysis of separated flow in a three-dimensional diffuser
Miró Jané, Arnau; Eiximeno Franch, Benet; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (Springer, 2023)
Text en actes de congrés
Accés restringit per política de l'editorialA DNS of a three dimensional diffuser has been performed with the in-house solver Alya. The resulting dataset presents a good agreement with existing numerical and experimental data, even without smoothing of the sharp ... -
Flow and heat transfer of impinging synthetic jets
Miró Jané, Arnau (Universitat Politècnica de Catalunya, 2019-06-19)
Tesi
Accés obertSynthetic jets are produced by the oscillatory movement of a membrane inside a cavity, causing fluid to enter and leave through a small orifice. This results in a net jet that is able to transfer kinetic energy and momentum ... -
Flow separation in airfoils with rough leading edges
Kumar, Vishal; Miró Jané, Arnau; Lehmkuhl Barba, Oriol; Piomelli, Ugo (2023-05)
Article
Accés obertIn this study we consider the flow over airfoils with leading-edge roughness, designed to mimic the ice depositions that may occur on an aircraft in flight. The focus of this investigation is the effect of the angle of ... -
Flow topology and heat transfer analysis of slotted and axisymmetric synthetic impinging jets
Miró Jané, Arnau; Soria Guerrero, Manel; Cajas García, Juan Carlos; Rodríguez Pérez, Ivette María; Moulinec, Charles (2021-06)
Article
Accés obertThis work is focused on exploring the flow and heat transfer capabilities for slotted and axisymmetric cavity configurations for synthetic impinging jets; the jet is enclosed between two isothermal parallel plates, impinging ... -
HGS user manual
Soria Guerrero, Manel; Fuster, Caleb; Miró Jané, Arnau (Universitat Politècnica de Catalunya, 2022-10-01)
Apunts
Accés obert -
Impact of interannually variable diffuse attenuation coefficients for downwelling irradiance on biogeochemical modelling
Terzic, Elena; Stefano, Salon; Cossarini, Gianpiero; Solidoro, Cosimo; Teruzzi, Anna; Miró Jané, Arnau; Lazzari, Paolo (2021-05)
Article
Accés obertRemotely sensed optical data are fundamental to be integrated into biogeochemical models, since the key role of the optical properties on lower trophic dynamics. In this paper, it is shown how ocean optics satellite products ... -
NFP user manual
Soria Guerrero, Manel; Fuster, Caleb; Miró Jané, Arnau (Universitat Politècnica de Catalunya, 2022-10-01)
Apunts
Accés obert -
On the wake dynamics of an oscillating cylinder via proper orthogonal decomposition
Eiximeno Franch, Benet; Miró Jané, Arnau; Cajas García, Juan Carlos; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María (Multidisciplinary Digital Publishing Institute (MDPI), 2022-09-02)
Article
Accés obertThe coherent structures and wake dynamics of a two-degree-of-freedom vibrating cylinder with a low mass ratio at Re=5300 are investigated by means of proper orthogonal decomposition (POD) of a numerical database generated ... -
Radiative transfer modeling with BGC-Argo float data in the Mediterranean Sea
Terzic, Elena; Miró Jané, Arnau; Organelli, Emanuele; Kowalczuk, Piotr; D'Ortenzio, Fabrizio; Lazzari, Paolo (Wiley, 2021-10-04)
Article
Accés obertA radiative transfer model was parameterized and validated using Biogeochemical Argo float data acquired between 2012 and 2017 across the Mediterranean Sea. Fluorescence-derived chlorophyll urn:x-wiley:21699275:media:jgr ... -
Self-induced large-scale motions in a three-dimensional diffuser
Miró Jané, Arnau; Eiximeno Franch, Benet; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (Springer, 2023-09-14)
Article
Accés obertA direct numerical simulation of a three-dimensional diffuser at Reynolds number Re = 10,000 (based on inlet bulk velocity) has been performed using a low-dissipation finite element code. The geometry chosen for this work ... -
Study of advanced materials for thermal insulation in the inner Solar System
Miró Jané, Arnau (Universitat Politècnica de Catalunya, 2014-09)
Projecte/Treball Final de Carrera
Accés obertSpace harsh environmental condition often calls for an adequate thermal regulation and insulation. In this thesis, a thermal model for a greenhouse in Mars is presented. Its objectives are to achieve and maintain suitable ... -
Towards a machine learning model for explicit algebraic Reynolds stress modelling using multi-expression programming
Miró Jané, Arnau; Wallin, Stefan; Colombo, Alessandro; Temmerman, Lionel; Wunsch, Dirk; Lehmkuhl Barba, Oriol (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertA novel framework for a 5-term explicit algebraic Reynolds stress model has been proposed, which is suitable for machine learning procedures. Under this framework, high-fidelity datasets have been explored and post-processed. ... -
Towards a quantitative understanding of Robert's Rising Thermal Bubble as a benchmark for 3D atmospheric codes
Andrés Carcasona, Marc; Soria Guerrero, Manel; García Melendo, Enrique José; Miró Jané, Arnau (American Meteorological Society, 2023-02-01)
Article
Accés obertRobert’s rising thermal bubble (RRTB) is a benchmark case used to assess atmospheric models. In this paper, RRTB is further studied both using an analytical and a numerical approach, improving to a greater extent the ... -
Towards Data Driven Models for the Automotive Industry
Eiximeno Franch, Benet; Miró Jané, Arnau; Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés restringit per política de l'editorialThis study employs proper orthogonal decomposition to identify flow patterns linked to yaw angle variations in the Windsor body. A reduced order model is proposed to accurately predict variations in back pres- sure at ... -
Turbulent boundary layer in a 3-element high-lift wing: coherent structures identification
Montalà Sales, Ricard; Eiximeno Franch, Benet; Miró Jané, Arnau; Lehmkuhl, Oriol; Rodríguez Pérez, Ivette María (Springer, 2023)
Capítol de llibre
Accés restringit per política de l'editorialA large eddy simulation (LES) of the flow past a 30P30N high-lift three-element wing is performed at the angle of attack AoA = 9º and a Reynolds number of Re = 750,000, based on the nested chord. Results are validated ...